Substituted phthalocyanines
US5189153A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1990 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Jun 19, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/248
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phthalocyanine compound of the Formula (1): ##STR1## wherein: Pc is a phthalocyanine nucleus which is metal free or contains a metal or oxymetal; PA0 X is S; NT or O; PA0 Y is S; NT or O; PA0 Z is S or Se; in which T in the above is H; alkyl or aryl; PA0 .sup.+ HA is an aliphatic polyamino ammonium ion or a substituted diguanidinium ion; PA0 each R independently is an aromatic radical linked to a peripheral carbon atom of the Pc nucleus through an atom Z; PA0 each R.sup.1 independently is optionally substituted phenylene or naphthylene in which the atoms X and Y are attached to adjacent nuclear carbon atoms in R.sup.1 and to adjacent peripheral carbon atoms of the Pc nucleus; PA0 a is 0 to 16; provided that PA0 b is 0 to 8; a+b>0; and PA0 c+d is 1 to 16.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.